Fairfax, VA 22031 ZIP Code Profile


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ZIP Code 22031: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fairfax, VA 22031

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,753
  • Single Family Addresses: 7,330
  • Multi-Family Addresses: 6,674
  • County: Fairfax County
  • Centroid: Latitude 38.854, Longitude -77.259
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 22031 has segments in 2 Counties / Independent Cities (Fairfax, Fairfax City).

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


22031 ZIP Code Map

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Fairfax, VA 22031 Data & Demographics (As of July 1, 2017)


Total Population 34,133
Daytime Population: Workers 29,380
Daytime Population: Residents 13,604
Total Daytime Population (TDP) 42,984
Ratio TDP/Total Population1 1.26
Population in Households 34,065
Population in Familes 25,530
Population in Group Qrtrs 68
Population Density2 5,071
Diversity Index3 71


Median Household Income $105,907
Average Household Income $136,773
Per Capita Income $54,538


Total Housing Units 14,216 (100%)
Owner Occupied HU 6,900 (48.5%)
Renter Occupied HU 6,695 (47.1%)
Vacant Housing Units 621 ( 4.4%)
Median Home Value $500,000
Average Home Value $551,873


Total Households 13,595
Average Household Size 2.51
Family Households 8,294
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.18% 2.0%
Households 2.6% 2.04%
Families 1.98% 1.76%
Median Household Income   1.1%
Per Capita Income   2.1%

Fairfax, VA 22031 - Peer Comparisons by Rank and Percentile

The table below compares 22031 to the other 870 ZIP Codes in Virginia by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 69 92nd
Population Density # 35 96th
Diversity Index # 39 96th
Median Household Income # 61 93rd
Per Capita Income # 44 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Virginia Census Data Comparison Tool.

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